Finding the Fourth Proportional to 160,357,991.49, 221,294,033.51 and 87,019,133.49
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Solution
The fourth proportional to 160,357,991.49, 221,294,033.51 and 87,019,133.49 is: 120,086,407.06
Step by Step Solution
- Step 1: Write the proportion equation
160,357,991.49 : 221,294,033.51 = 87,019,133.49 : x - Step 2: Convert to fraction form
160,357,991.49/221,294,033.51 = 87,019,133.49/x - Step 3: Cross multiply
160,357,991.49x = 221,294,033.51 × 87,019,133.49 - Step 4: Simplify right side
160,357,991.49x = 19,256,815,042,112,124 - Step 5: Solve for x
x = 19,256,815,042,112,124/160,357,991.49 - Step 6: Final answer
x = 120,086,407.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.